Products Description
Rexroth BTV20.3SA-24B-55C-D-FW CNC Operator Panel Spare Part

Technical Specifications
Model:BTV20.3SA-24B-55C-D-FW
Brand:Rexroth
Product type:PC-based CNC visualization operator panel
Input voltage:115~230V AC,50/60Hz
Display:10.4 inch TFT color display,800×600 pixel
Processor:1GHz
Memory:1GB RAM,built-in 3.5" 1.44MB floppy drive
Keyboard:Standard full keyboard,16 machine function keys arranged on left and right sides
Mounting:Panel cutout mounting
Front panel protection:IP65
Rear housing protection:IP20
Communication:10Base-T Ethernet,RS232,RS485,Centronics printer port,VGA
Operating temperature:+5~+45℃
Storage temperature:-20~70℃
Relative humidity:5~95% non-condensing
Max operation altitude:1500m
Certification:CE
System compatibility
BTV20.3SA-24B-55C-D-FW belongs to Rexroth Indramat BTV20 visualization terminal family,matching Indramat System200 CNC and motion control systems,widely deployed on heavy-duty CNC machine tools and production automation lines.This is a legacy spare part for industrial equipment maintenance replacement.
Function
BTV20.3SA-24B-55C-D-FW is an expandable industrial PC-based operator terminal working under ISP mode.It integrates 10.4" TFT color screen and full machine keyboard,supports CNC program editing,manual axis jog,operation mode switching,parameter configuration,spindle & feed override adjustment,real-time machine status and fault alarm display.It communicates with main CNC controller via Ethernet and serial ports for command transmission and data feedback.The 55C variant is equipped with factory preloaded dedicated firmware.
Installation
Install BTV20.3SA-24B-55C-D-FW on cabinet panel cutout.Tighten mounting fixtures.Connect 115~230V AC power and communication cable according to wiring diagram.Check cable shielding and connector tightness before power-on commissioning.
Interface
‑AC power input terminal
‑10 Base-T Ethernet port
‑RS232 / RS485 serial port
‑VGA interface,Centronics printer port
‑Keyboard internal signal terminal
‑Shield grounding terminal
Circuit feature
Industrial embedded computer architecture,color display drive circuit,hardware keyboard scanning circuit,stable multi-interface communication,strong anti-interference,suitable for harsh machine workshop environment.
Feature
BTV20.3SA-24B-55C-D-FW is obsolete Rexroth spare part.Typical faults:display backlight failure,membrane key aging,Ethernet/serial port damage,internal floppy drive or power board failure.Inspect display and communication link before replacement.This visualization terminal must match original Indramat CNC system firmware,direct substitution without inspection is not recommended.
Diagnostic
When terminal fails,HMI screen blank,keyboard input no response,system triggers Ethernet or serial communication timeout alarm.
Built‑in function:CNC program editing,manual axis jogging,parameter configuration,machine status & alarm display,production operation control,used as Rexroth Indramat CNC system spare replacement.

Product Brief
BTV20.3SA-24B-55C-D-FW is Rexroth Indramat BTV20 series 10.4-inch color visualization HMI terminal with 1GHz processor and 1GB RAM.Verify CNC system firmware and communication configuration before ordering.ESD protection required during handling and installation.